Hurricane Isaac

Hurricane Isaac

A pickup truck drives through standing water near Belle Chasse, La., in Plaquemines Parish, a rural area outside New Orleans that was flooded during Hurricane Isaac on Wednesday, Aug. 29, 2012. (AP Photo/Erik Schelzig)

Hurricane IssacTrevelle Bivalacqua, 12, left, helps fire fighters and other volunteers evacuate residents from the Riverbend Nursing Center as Hurricane Isaac makes landfall, Wednesday, Aug. 29, 2012, in Jesuit Bend, La. Plaquemines Parish ordered a mandatory evacuation for the west bank of the Mississippi below Belle Chasse because of worries about a storm surge. The order affected about 3,000 people. (AP Photo/Eric Gay)

Hurricane IsaacIn this Wednesday, Aug. 29, 2012 photo, members of the Army National Guard patrol Bourbon Street in the French Quarter as Hurricane Isaac makes landfall in New Orleans, La. (AP Photo/Eric Gay)

Hurricane IssacZach Armand, right, loads a bag of ice into Penelope Packard's shopping cart after Hurricane Isaac passed in Chalmette, La.,Thursday, Aug. 30, 2012. Isaac's maximum sustained winds had decreased to 45 mph and the National Hurricane Center said it was expected to become a tropical depression by Thursday night. The storm's center was on track to cross Arkansas on Friday and southern Missouri on Friday night, spreading rain as it goes. (AP Photo/David J. Phillip)

Hurricane IsaacHurricane Isaac heavily damaged the Veterans Memorial along the seawall in Waveland, Miss., Thursday, Aug. 30, 2012. Although the hurricane has been downgraded Gulf Coast residents are still dealing with the wet aftermath of wide spread flooding, especially during the morning at high tide. (AP Photo/Rogelio V. Solis)

Hurricane IssacStorm clouds leading remnants of Hurricane Isaac gather in the skies over a grain elevator in England, Ark., Thursday, Aug. 30, 2012. With the storms approaching many farm states, some farmers wonder whether too much relief is on the horizon. (AP Photo/Danny Johnston)

Hurricane IsaacA pickup truck drives through standing water near Belle Chasse, La., in Plaquemines Parish, a rural area outside New Orleans that was flooded during Hurricane Isaac on Wednesday, Aug. 29, 2012. (AP Photo/Erik Schelzig)

Hurricane IssacChuck Cropp, center, his son Piers, left, and wife Liz, right, wade through floodwaters from Hurricane Isaac Wednesday, Aug. 29, 2012, in New Orleans. As Isaac made landfall, it was expected to dump as much as 20 inches of rain in several parts of Louisiana. (AP Photo/David J. Phillip)

Hurricane IsaacCarlo Maltese and his dog Pin get off a boat after being rescued from his flooded home as Hurricane Isaac hits Wednesday, Aug. 29, 2012, in Braithwaite, La. (AP Photo/David J. Phillip)

Hurricane IsaacDana's Seafood and nearby homes are flooded from storm surge in Bayou La Batre, Ala. on Wednesday, Aug. 29, 2012. Hurricane Isaac has dumped more than five inches of rain on the Alabama coast and knocked out power to some residents, but it hasn't interrupted the everyday life of others. Residents of Dauphin Island lost power, but they also escaped the worst of Isaac. The weather service reports wind gusts of 47 mph. (AP Photo/Butch Dill)

Hurricane IsaacA streetlight dangles over Louisiana Highway 56 as utility polls knocked askew by Hurricane Isaac lean over the roadway Wednesday, Aug. 29, 2012 as the eye of the storm moved through the area. (AP Photo/Kevin McGill)

Hurricane IsaacDrug Enforcement Agency Special Agent Keith Billiot,right, tries to block his face from the rain while rescuing a family from their flooded home as Hurricane Isaac hits Wednesday, Aug. 29, 2012, in Braithwaite, La. (AP Photo/David J. Phillip)

Hurricane IsaacRonnie Willis makes his way across Canal Street through the wind and rain from Hurricane Isaac Wednesday, Aug. 29, 2012, in New Orleans. (AP Photo/David J. Phillip)

Hurricane IsaacWaves tear apart a pier along the Mobile Bay near Dauphin Island on Tuesday, August 28, 2012. Alabama took a glancing blow from Hurricane Isaac on Tuesday as it headed toward landfall in the northwestern Gulf of Mexico, but the storm still threatened the coast with high winds, torrential rain and pounding surf. (AP Photo/Butch Dill)

Hurricane IssacWaves tear apart piers and crash into the back yards of homes along the Mobile Bay near Dauphin Island on Tuesday, August 28, 2012. Alabama took a glancing blow from Hurricane Isaac on Tuesday as it headed toward landfall in the northwestern Gulf of Mexico, but the storm still threatened the coast with high winds, torrential rain and pounding surf. (AP Photo/Butch Dill)

Hurricane IssacTerry Dickson walks through the streets of the Lower Ninth Ward as Hurricane Isaac moves closer Tuesday, Aug. 28, 2012, in New Orleans. Hurricane Isaac is churning it's way across the Gulf of Mexico heading towards Louisiana. The storm was arriving at the seventh anniversary of Hurricane Katrina, which devastated Louisiana and Mississippi when it struck on Aug. 29, 2005. (AP Photo/David J. Phillip)

Hurricane IssacCORRECTS TITLE TO DEPUTY DIRECTOR - National Hurricane Center Deputy Director Ed Rappaport briefs a national television audience on the progress of Hurricane Isaac Tuesday, Aug. 28, 2012, at the NHC in Miami. Isaac made landfall along the Louisiana coast of Plaquemines Parish, just southwest of mouth of the Mississippi River. The storm was classified as a Category 1 hurricane with 80 mph sustained winds. (AP Photo/Andy Newman)

Hurricane IsaacRain from Hurricane Isaac falls as Rosemarie Woldin, left, takes a picture of her husband, Bob, as he stands on Bourbon Street in the French Quarter Tuesday, Aug. 28, 2012, in New Orleans. The U.S. National Hurricane Center in Miami said Isaac became a Category 1 hurricane Tuesday with winds of 75 mph. (AP Photo/David J. Phillip)

Hurricane IsaacStacey Davis, left, and his board up windows on their home before Tropical Storm Isaac hits Tuesday, Aug. 28, 2012, in New Orleans. Tropical Storm Isaac is churning it's way across the Gulf of Mexico towards New Orleans. (AP Photo/David J. Phillip)

Hurricane IsaacDr. Rick Knabb, center, director of the National Hurricane Center, Stacy Stewart, right, senior hurricane specialist, and James Franklin, chief hurricane specialist, track Tropical Storm Isaac at the National Hurricane Center in Miami, Monday, Aug. 2, 2012. Tropical Storm Isaac targeted a broad swath of the Gulf Coast on Monday and had New Orleans in its crosshairs, bearing down just ahead of the seventh anniversary of Hurricane Katrina. (AP Photo/Alan Diaz)

Hurricane IsaacSenior hurricane specialist Stacy Stewart tracks Tropical Storm Isaac at the National Hurricane Center in Miami, Monday, Aug. 27, 2012. Tropical Storm Isaac targeted a broad swath of the Gulf Coast on Monday and had New Orleans in its crosshairs, bearing down just ahead of the seventh anniversary of Hurricane Katrina. (AP Photo/Alan Diaz)

Hurricane IsaacDrivers along a stretch of the Florida Turnpike slow down after passing a sign warning of severe weather caused by Tropical Storm Isaac in Hialeah, Fla. Forecasters predicted Isaac would intensify into a Category 1 hurricane later Monday or Tuesday with top sustained winds of between 74 and 95 mph. The center of its projected path took Isaac directly toward New Orleans on Wednesday, but hurricane warnings extended across some 330 miles from Morgan City, La., to Destin, Fla. It could become the first hurricane to hit the Gulf Coast since 2008. (AP Photo/Wilfredo Lee)

Hurricane IsaacA line of traffic extends down Interstate 10 heading towards Baton Rouge, as many residents leave the New Orleans area in anticipation of tropical storm Isaac, which is expected to make landfall on the Louisiana coast as a hurricane, in Kenner, La., Monday, Aug. 27, 2012. (AP Photo/Gerald Herbert)

Hurricane IsaacPlaquemines Parish President Billy Nungesser, center, works with other parish officials and law enforcement in their emergency operations center in preparation for Tropical Storm Isaac, which is expected to make landfall on the Louisiana coast as a hurricane, in Belle Chasse, La., Monday, Aug. 27, 2012. (AP Photo/Gerald Herbert)

Hurricane IsaacCharles Harris packs his car as he prepares to evacuate his Lower Ninth Ward home Monday, Aug. 27, 2012, in New Orleans. Harris's home was destroyed by Hurricane Katrina nearly seven years ago this week. Tropical Storm Isaac is churning it's way across the Gulf of Mexico and could make landfall near New Orleans later this week. (AP Photo/David J. Phillip)

Hurricane IsaacWorkers stack sandbags on top of retaining wall baskets in preparation for Tropical Storm Isaac, which is expected to make landfall on the Louisiana coast as a hurricane, in Port Sulphur, La., Monday, Aug. 27, 2012. (AP Photo/Gerald Herbert)

Hurricane IsaacCharles Harris carries some of his belongings to his car as he prepares to evacuate from his Lower Ninth Ward home Monday, Aug. 27, 2012, in New Orleans. Harris's home was destroyed by Hurricane Katrina nearly seven years ago this week. Tropical Storm Isaac is churning it's way across the Gulf of Mexico and could make landfall near New Orleans later this week. (AP Photo/David J. Phillip)

Hurricane IsaacA worker relaxes atop a line of Hesco baskets as they wait for more sand, put in place in anticipation of Tropical Storm Isaac, which is expected to make landfall on the Louisiana coast as a hurricane, in Port Sulphur, La., Monday, Aug. 27, 2012. (AP Photo/Gerald Herbert)

Hurricane IsaacMotorists make their way out of the area, in anticipation of Tropical Storm Isaac, which is expected to make landfall on the Louisiana coast as a hurricane, in Belle Chasse, La., Monday, Aug. 27, 2012. (AP Photo/Gerald Herbert)

Hurricane IsaacFILE - This Aug. 22, 2012 file photo shows how drought condition water levels have taken their toll on the wildlife at Anderson Lake State Fish & wildlife Area near Astoria, Ill. The remnants of Tropical Storm Isaac could ease but not eliminate drought conditions in Arkansas, Missouri and Illinois by dropping 2 to 5 inches of rain. (AP Photo/Seth Perlman, File)

Hurricane IsaacBuses are staged in anticipation of Tropical Storm Isaac, which is expected to make landfall on the Louisiana coast as a hurricane, at Zephyr Field in Metairie, La., Monday, Aug. 27, 2012. (AP Photo/Gerald Herbert)

Hurricane IsaacDr. Rick Knabb, director of the National Hurricane Center, gives an update on Tropical Storm Isaac at the National Hurricane Center in Miami, Monday, Aug. 27, 2012. Tropical Storm Isaac targeted a broad swath of the Gulf Coast on Monday and had New Orleans in its crosshairs, bearing down just ahead of the seventh anniversary of Hurricane Katrina. (AP Photo/Alan Diaz)